<div class="account-body" nz-row nzType="flex" nzAlign="stretch">

    <div nz-col nzSpan='3'> 
        <app-menu2 style="width:96%;height: 100%;"></app-menu2>
    </div>

    <div nz-col nzSpan='21'>
        <router-outlet ></router-outlet>
    </div>

</div>